SYNOPSIS OF EMPHYTUS. 267 



Abdomen white at the base and apex and on the fifth seg- 

 ment. Togatus. 



2 (1) Transverse median nervure not interstitial. 



3 (18) Transverse median nervure received in the basal third of median 



cellule ; the third and fifth joints of antennae scarcely, if so 

 long as fourth ; second cubital cellule much longer than 

 broad. 



4 (13) Antennae shorter than half the body, stout, the three last joints 



abruptly shorter and produced beneath at the apices ; trans- 

 verse median nervure received a little beyond the middle of 

 median cellule. 



5 (12) Second recurrent nervure not interstitial ; abdomen with the 



fifth segment white or red in ? . 



6 (9) Tegulae white ; fifth segment white in ? . 



7 (8) Mouth, edge of ponotum and coxae, black. Cinctus. 



8 (7) Mouth, edge of pronotum and coxae, white. Cingulatus. 



9 (6) Tegulae black. 



10 (11) Femora black, white at the base. Rufocinctus. 



11 (10) Femora red, black at base. Calceatus. 



12 (5) Second recurrent nervure interstitial; abdomen without a 



coloured band. Melanarius. 



13 (4) Antennae much longer than half the body, filiform, the third, 



fourth and fifth joints nearly equal in length, the third, if 



I any thing, thinner than the fourth ; transverse median ner- 



vure received not far from basal, and second recurrent from 

 first transverse cubital. 



14 (17) Abdomen black, antennae white at the apex with ? . 



15 (16) Apex of hinder femora and tibiae black, and basal half of 



hinder tibiae white ; transverse median nervure in hind wing 

 interstitial. Tibialis. 



16 (15) Apex of hinder femora and the whole of hinder tibiae red; acces- 



sory nervure in hinder wing received a good piece in front of 

 transverse median. FHiformis. 



17 (14) Abdomen and legs yellow; antennae entirely black in both 



sexes. Serotinus. 



18 (3) Transverse median nervure received in the middle of median 



cellule ; second cubital cellule not much longer than broad, 

 about the same length as the second transverse cubital 

 nervure. Antennae short, the third joint distinctly longer 

 than fourth, which is of the same length as the fifth ; the 

 remaining joints shorter. Clypeus incised, but not deeply. 

 Claws with a minute subapical tooth. 



19 (24) Abdomen entirely black. 



20 (23) Legs in part white. 



21 (22) Scutellum opaque, punctured ; hinder femora slightly black at 



apex ; tarsi faintly fuscous at apex. Ghrossularite. 



22 (21) Scutellum smooth, shining, all the femora broadly marked with 



black, and apex of hinder tibiae and tarsi fuscous black. 



Carpini. 



23 (20) Legs black for the greater part. Tener. 



24 (19) Abdomen white beneath, and with reddish marks above ; legs 



more or less yellowish-white. Perla 



